7554450072 has 144 divisors (see below), whose sum is σ = 21719252520. Its totient is φ = 2181104640.

The previous prime is 7554450067. The next prime is 7554450083. The reversal of 7554450072 is 2700544557.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 7554450072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22822947 + ... + 22823277.

Almost surely, 2^7554450072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7554450072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10859626260).

7554450072 is an abundant number, since it is smaller than the sum of its proper divisors (14164802448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7554450072 is a wasteful number, since it uses less digits than its factorization.

7554450072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 39.

The square root of 7554450072 is about 86916.3394995440. The cubic root of 7554450072 is about 1962.1593991621.

The spelling of 7554450072 in words is "seven billion, five hundred fifty-four million, four hundred fifty thousand, seventy-two".